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Finding the Fourth Proportional to 92,834.94, 139,270.32 and 39,525.95

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Solution

The fourth proportional to 92,834.94, 139,270.32 and 39,525.95 is: 59,296.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,834.94 : 139,270.32 = 39,525.95 : x
  2. Step 2: Convert to fraction form
    92,834.94/139,270.32 = 39,525.95/x
  3. Step 3: Cross multiply
    92,834.94x = 139,270.32 × 39,525.95
  4. Step 4: Simplify right side
    92,834.94x = 5,504,791,704.80
  5. Step 5: Solve for x
    x = 5,504,791,704.80/92,834.94
  6. Step 6: Final answer
    x = 59,296.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.